3894225 has 24 divisors (see below), whose sum is σ = 6502560. Its totient is φ = 2056320.

The previous prime is 3894223. The next prime is 3894227. The reversal of 3894225 is 5224983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3894223) and next prime (3894227).

It is not a de Polignac number, because 3894225 - 2¹ = 3894223 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8 + 9⁵ + 4⁸ + 2⁵ + 2²¹ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (3894223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10086 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (270940).

Almost surely, 2^3894225 is an apocalyptic number.

It is an amenable number.

3894225 is a deficient number, since it is larger than the sum of its proper divisors (2608335).

3894225 is a wasteful number, since it uses less digits than its factorization.

3894225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 524 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3894225 is about 1973.3790816769. The cubic root of 3894225 is about 157.3283592502.

The spelling of 3894225 in words is "three million, eight hundred ninety-four thousand, two hundred twenty-five".